Oya-Sada Kofun Group
Maniwa, Japan
The Ōya-Sada Kofun Cluster (, Ōya-Sada Kofun-gun) is a group of six kofun burial mounds located in the Kaminakatsui neighborhood of the city of Maniwa, Okayama Prefecture, in the San'yō region of Japan. The tumuli were collectively designated a National Historic Site in 2008. The tumuli area considered to be representative of large chieftain tombs of the late Kofun period of the Kingdom of Kibi.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).